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The Caterpillar D8 is a medium track-type
*1935: RD8 () introduced.
*1937: The "R" prefix dropped, D8 debuts.
*1940s: D8 2U Series () introduced
*1950: D8 new front-rounded grill that would last until D8K was replaced by D8L in 1982.
*1955: 1H Series D8 ends production; D8E and D8D introduced with new displacement (CID) D342 diesel engine. D8D had a torque converter and D8E had a direct drive transmission.
*1956: D8D replaced by D8G.
*1956: D8E replaced by D8F.
*1958: D8H introduced.
*1965: Power increased to
*1970: D8 46a 48a power increased
*1974: D8K replaced the D8H.
*1982: D8L replaced D8K. The D8L was the first D8 with the elevated drive sprocket undercarriage.
*1984: D8L SA (special application) for farming applications premiers. Available with a
replaced D8R Series 2.
Caterpillar D-Series Track-Type Tractors
- Official Caterpillar website
{{DEFAULTSORT:D08 Caterpillar Inc. vehicles Tractors Tracked vehicles
tractor
A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most commo ...
designed and manufactured by Caterpillar
Caterpillars ( ) are the larval stage of members of the order Lepidoptera (the insect order comprising butterflies and moths).
As with most common names, the application of the word is arbitrary, since the larvae of sawflies (suborder Sy ...
. Though it comes in many configurations, it is usually sold as a bulldozer
A bulldozer or dozer (also called a crawler) is a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work. It travels most commonly on continuous track ...
equipped with a detachable large blade and a rear ripper attachment.
History
*1935: RD8 () introduced.
*1937: The "R" prefix dropped, D8 debuts.
*1940s: D8 2U Series () introduced
*1950: D8 new front-rounded grill that would last until D8K was replaced by D8L in 1982.
*1955: 1H Series D8 ends production; D8E and D8D introduced with new displacement (CID) D342 diesel engine. D8D had a torque converter and D8E had a direct drive transmission.
*1956: D8D replaced by D8G.
*1956: D8E replaced by D8F.
*1958: D8H introduced.
*1965: Power increased to
*1970: D8 46a 48a power increased
*1974: D8K replaced the D8H.
*1982: D8L replaced D8K. The D8L was the first D8 with the elevated drive sprocket undercarriage.
*1984: D8L SA (special application) for farming applications premiers. Available with a three point hitch
The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. The three points resemble either a triangle, or the letter A. Three ...
, for mounted implements.
*1987: D8N () with differential steer transmission, the first track-type Caterpillar tractor to have one.
*1996: D8R replaced D8N.
*2000: D8R Series 2 replaced the D8R.
*2004: D8T ACEreplaced D8R Series 2.
Blades
Several types of bulldozer blade can be used on the front of the tractor: * Straight ("S-Blade"): A short blade with no lateral curve and no side wings. It can be used for fine grading * Angle: held by a U shape frame that has three holes on each side, to set the blade to 3 positions: right, center, and left. * Universal ("U-Blade"): A tall and very curved blade with large side wings to carry more material * "S-U" combination: A shorter blade with less curvature and smaller side wings Other blade types include landfill U-Blades, woodchip U-blades, and two-way blades for work inside the holds of ships.See also
* Heavy equipment (construction), Heavy equipment * G-numbers U.S. Army Cats *Caterpillar D9
The Caterpillar D9 is a large track-type tractor designed and manufactured by Caterpillar Inc. It is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment.
The D9, with 354 kW (474 hp) of gross p ...
* Caterpillar D7
* List of Caterpillar Inc. machines
Some of Caterpillar Incorporated's current and historic machines include:
* Track-type tractors (bulldozers)
** Caterpillar 10
** Caterpillar 15
** Caterpillar 20
** Caterpillar 25
** Caterpillar 30
** Caterpillar 35
** Caterpillar 40
** Cater ...
* Bob Semple tank
The Bob Semple tank (sometimes referred to as Big Bob) was a light tank designed by New Zealand Minister of Works Bob Semple during World War II. Originating out of the need to build military hardware from available materials, the tank was built ...
References
* SNL G153 heavy tractorExternal links
Caterpillar D-Series Track-Type Tractors
- Official Caterpillar website
{{DEFAULTSORT:D08 Caterpillar Inc. vehicles Tractors Tracked vehicles